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Monitoring Proxmox VE with Prometheus and Proxmox VE Exporter: Managing VMs, LXCs, and Storage

By IT From Zero October 28, 2026

A detailed comparison of Proxmox VE monitoring strategies and a step-by-step setup guide for Prometheus and Proxmox VE Exporter via API tokens. Efficiently track CPU, RAM, disks, and ZFS/Ceph storage.

Virtualization

Guide to Configuring Intel i915 SR-IOV vGPU on Proxmox VE: Sharing Gen 11–14 iGPUs Across Multiple Virtual Machines

By IT From Zero October 28, 2026

A comprehensive guide to configuring Intel i915 SR-IOV vGPUs on Proxmox VE 8.x. Learn how to share Intel Gen 11-14 iGPUs across multiple Plex, Jellyfin, and Windows VMs with peak hardware performance while completely eliminating Error Code 43.

Virtualization

Guide to VFIO PCIe Passthrough on Linux KVM: GPU Passthrough for Windows VMs

By IT From Zero October 26, 2026

Configure VFIO PCIe Passthrough on Linux KVM to harness up to 98% of dedicated NVIDIA/AMD GPU performance in a Windows VM. Comprehensive guide covering vfio-pci driver binding, fixing Code 43, and CPU pinning to eliminate micro-stutter.

Virtualization

Configuring SR-IOV on KVM/Proxmox: Share 10GbE NICs with Near Bare-Metal Performance

By IT From Zero October 24, 2026

A comprehensive guide to configuring SR-IOV on Proxmox/KVM to split 10GbE NICs into Virtual Functions. Achieve 9.4 Gbps throughput, reduce host CPU usage below 5%, and drop latency to 0.05ms.

Virtualization

Optimizing KVM Networking with virtio-net Multiqueue and vhost-net: Hitting Full 10GbE Without CPU Bottlenecks

By IT From Zero October 23, 2026

KVM virtual machine stuck at 2 Gbps on a 10GbE network? A single-queue virtio setup is usually to blame. Learn how to configure virtio Multiqueue and vhost-net to unlock full 9.4 Gbps throughput without overloading your vCPUs.

Virtualization

How to Install and Configure Proxmox Backup Server (PBS): Deduplication and Client-Side Encryption

By IT From Zero October 21, 2026

A technical comparison of VZDump, ZFS Send, and Proxmox Backup Server (PBS). Learn how to set up PBS with client-side encryption and deduplication saving up to 80% storage.

Virtualization

How to Configure KVM Nested Virtualization on Linux: Enable Nested Virtualization for Proxmox, VMware, and OpenStack Labs

By IT From Zero October 18, 2026

Encountering 'KVM acceleration not available' when installing Proxmox or ESXi inside a Linux VM? Here is how to configure KVM Nested Virtualization for nested labs.

Virtualization

Configuring Open vSwitch on Proxmox VE: Bridges, Bonds, and GRE Tunnels

By IT From Zero October 17, 2026

Troubleshoot Proxmox VE networking with Open vSwitch: quickly deploy emergency OVS Bridges, aggregate fault-tolerant 10GbE links with LACP Bonds, and connect cross-node VMs via GRE Tunnels.

Virtualization

Rescue KVM/Proxmox VMs with libguestfs: Reset Root Password, Fix Boot Errors, and Recover Data Quickly

By IT From Zero October 3, 2026

Learn how to use the libguestfs tool suite on Linux to rescue KVM/Proxmox VMs: fix fstab errors, reset root passwords, and mount virtual disks to extract data with single commands.

Virtualization

Zero-Downtime KVM/Proxmox Live Migration: Dedicated Networks, ZSTD Compression, and Post-Copy

By IT From Zero October 3, 2026

A comprehensive guide to solving stalled Live Migrations in KVM and Proxmox VE. Learn how to configure dedicated networks, leverage ZSTD compression, and employ Post-copy for seamless VM migrations.